<?php
/*
$a=$_REQUEST['a'];
//if (isset($a{0})) { // Returns "It's 0!!" when test.php?a=0
if (!empty($a)) { // Returns "It's empty!!" when test.php?a=0
    echo 'It\'s '.$a;
	$shit=@${$a};
	echo $shit;
} else { echo 'It\'s empty'; }

$vars['product']['price']=22;

$aa='product';
$bb='price';

echo $vars{$aa}{$bb};
*/


/*
$name = "Christine_Nothdurfter";

${$name}="hehe";
echo $$name;
echo $Christine_Nothdurfter;
*/

extract($_GET);
var_dump($_SERVER);//after extract

?>
